Ingredients

Crust:

1 cup all-purpose flour
⅓ cup white sugar
1 tsp vanilla extract
½ tsp salt
½ cup cold unsalted butter, cut into 1/2-inch pieces

Filling:

⅔ cup sugar
2 Tbs cornstarch
¼ tsp salt
1 cup blood orange juice
3 large eggs, lightly beaten
1 large egg yolk, lightly beaten
2 Tbs blood orange zest
2 Tbs unsalted butter, cut into 1/2-inch pieces
1 med blood orange, thinly sliced

Directions

1. Lightly grease a 9-inch tart pan with a removable bottom.
2. Make the crust: Pulse flour, sugar, vanilla, and salt in a food processor a few times to combine. Add cold butter and pulse several more times until mixture is very crumbly and resembles coarse sand.
3. Pour mixture into the prepared tart pan; use damp hands to press crumbs together evenly along the bottom and up the sides of the pan to form a crust. Gently prick the bottom of the crust several times with a fork. Freeze crust for 15 minutes.
4. Meanwhile, preheat the oven to 350 degrees.
5. Remove crust from the freezer and place it onto a baking sheet. Line the crust with aluminum foil and fill with dried beans.
6. Bake in the preheated oven until crust begins to turn golden brown, 20 to 25 minutes. Remove beans and aluminum foil; continue to bake until the center is set, 5 to 7 minutes more. Remove from the oven and reduce the heat to 325 degrees.
7. Make the filling: Bring a pot of water to a low simmer.
8. While the water is coming to a simmer, whisk sugar, cornstarch, and salt together in a large heat-proof bowl. Whisk in orange juice, eggs, egg yolk, and orange zest until smooth.
9. Place the bowl over the pot of simmering water, making sure it does not touch the water. Cook, stirring constantly, until mixture is thick enough to coat the back of a spoon, 5 to 10 minutes. Remove from the heat and stir in butter, one piece at a time, ensuring each piece melts before adding the next. Pour filling through a fine-mesh sieve into the prepared crust.
10. Bake in the preheated oven until custard is set, 15 to 20 minutes. Allow tart to cool to room temperature before removing from pan, about 30 minutes.
11. Chill tart for about 3 hours. Top with blood orange slices before serving.